CVE-2026-27825 MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, the confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool an...

CVE-2026-27825

The CVE-2026-27825 entry describes an arbitrary file write in MCP Atlassian’s MCP server for Confluence/Jira. Before version 0.17.0, the confluence_download_attachment tool accepts a download_path without directory boundary enforcement, allowing an attacker who can call the tool and provide a Con...

CVE-2026-27825

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, the confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool an...

CVE-2026-27825 MCP Atlassian has an arbitrary file write leading to arbitrary code execution via unconstrained download_path in confluence_download_attachment

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, the confluencedownloadattachment MCP tool accepts a downloadpath parameter that is written to without any directory boundary enforcement. An attacker who can call this tool an...

EUVD-2026-10788

MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers...

Server-side Request Forgery (SSRF)

Overview mcp-atlassian is a The Model Context Protocol MCP Atlassian integration is an open-source implementation that bridges Atlassian products Jira and Confluence with AI language models following Anthropic's MCP specification. This project enables secure, contextual AI interactions with...

GHSA-7R34-79R5-RCC9 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

Summary An unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL by supplying two custom HTTP headers without an Authorization header. No authentication is required. The...

MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

Summary An unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL by supplying two custom HTTP headers without an Authorization header. No authentication is required. The...

CVE-2026-27826 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, an unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL b...

CVE-2026-27826

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, an unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL b...

CVE-2026-27826 MCP Atlassian has SSRF via unvalidated X-Atlassian-Jira-Url / X-Atlassian-Confluence-Url headers

MCP Atlassian is a Model Context Protocol MCP server for Atlassian products Confluence and Jira. Prior to version 0.17.0, an unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL b...

Exploit for Expression Language Injection in Atlassian Confluence_Data_Center

CVE Docker Lab A collection of Docker-based reproduction envi...

PT-2026-24620

Summary An unauthenticated attacker who can reach the mcp-atlassian HTTP endpoint can force the server process to make outbound HTTP requests to an arbitrary attacker-controlled URL by supplying two custom HTTP headers without an Authorization header. No authentication is required. The...

PT-2026-24642

Summary The confluence download attachment MCP tool accepts a download path parameter that is written to without any directory boundary enforcement. An attacker who can call this tool and supply or access a Confluence attachment with malicious content can write arbitrary content to any path the...

Exploit for Expression Language Injection in Atlassian Confluence_Data_Center

CVE-2022-26134 - Atlassian Confluence OGNL RCE This script is...

Atlassian Confluence 7.19.x < 9.2.13 / 9.3.1 < 10.2.2 (CONFSERVER-102184)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-102184 advisory. - This affects the package glob-parent before 5.1.2. The enclosure regex used to check for strings ending in enclosure containing path separator...

Atlassian Confluence 7.19.x < 9.2.14 / 9.2.15 / 9.3.x < 10.2.3 / 10.2.6 (CONFSERVER-102132)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-102132 advisory. - The Spring Framework annotation detection mechanism may not correctly resolve annotations on methods within type hierarchies with a parameterized...

Atlassian Confluence 8.5.x < 9.2.1 / 9.3.x < 9.4.0 / 9.5.x < 9.5.1 / 10.0.x < 10.2.3 / 10.2.6 (CONFSERVER-102185)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-102185 advisory. - Versions of the package semver before 7.5.2 are vulnerable to Regular Expression Denial of Service ReDoS via the function new Range, when untrust...

Atlassian Confluence 7.19.x < 8.5.10 / 8.6.x < 9.2.5 / 9.3.x < 9.3.1 / 9.4.x < 9.5.1 / 10.0.2 / 10.1.0 / 10.2.0 (CONFSERVER-101930)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-101930 advisory. - tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.1.1, 2.1.3, and 1.16.5 are vulnerable to symlink validation bypass if the...

Atlassian Confluence 7.19.x < 9.2.7 / 9.3.1 < 9.5.3 / 10.0.2 / 10.1.0 / 10.2.0 (CONFSERVER-102193)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-102193 advisory. - Allocation of resources for multipart headers with insufficient limits enabled a DoS vulnerability in Apache Commons FileUpload. This issue affec...